2011400403 has 8 divisors (see below), whose sum is σ = 2732468688. Its totient is φ = 1315632864.

The previous prime is 2011400383. The next prime is 2011400411. The reversal of 2011400403 is 3040041102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011400403 - 2⁵ = 2011400371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011400423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6325000 + ... + 6325317.

It is an arithmetic number, because the mean of its divisors is an integer number (341558586).

Almost surely, 2^2011400403 is an apocalyptic number.

2011400403 is a deficient number, since it is larger than the sum of its proper divisors (721068285).

2011400403 is a wasteful number, since it uses less digits than its factorization.

2011400403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12650373.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2011400403 is about 44848.6388087755. The cubic root of 2011400403 is about 1262.3104502278.

Adding to 2011400403 its reverse (3040041102), we get a palindrome (5051441505).

The spelling of 2011400403 in words is "two billion, eleven million, four hundred thousand, four hundred three".